Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
młotek
←
Polish
młot
(suffix)
←
Polish
ek
(suffix)
→
German
Mottek
(borrowed)
→
Polish
Młotkiewicz
(suffix)
→
Polish
młoteczek
(affix)
→
Sinte Romani
mlotko
(derived)